:root { --ink:#0a1d23; --muted:#5d6a6d; --line:#ded5c4; --teal:#0f6674; --paper:#fffdf8; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; color: var(--ink); background: #f4efe4; }
a { color: var(--teal); }
.site-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); background: var(--paper); }
.site-brand { font-weight: 700; color: var(--ink); text-decoration: none; }
.site-nav { display: flex; flex-wrap: wrap; gap: 12px; font-size: 14px; }
.site-main { max-width: 760px; margin: 0 auto; padding: 28px 20px 48px; }
.site-foot { border-top: 1px solid var(--line); padding: 20px; font-size: 14px; color: var(--muted); text-align: center; }
.prose h1 { font-size: clamp(1.6rem, 4vw, 2rem); line-height: 1.2; }
.prose h2 { font-size: 1.2rem; margin-top: 1.6em; }
.ad-row { display: flex; justify-content: center; padding: 8px; overflow: hidden; }